# For more information about using CMake with Android Studio, read the
# documentation: https://d.android.com/studio/projects/add-native-code.html

# Sets the minimum version of CMake required to build the native library.

cmake_minimum_required(VERSION 3.4.1)

# Creates and names a library, sets it as either STATIC
# or SHARED, and provides the relative paths to its source code.
# You can define multiple libraries, and CMake builds them for you.
# Gradle automatically packages shared libraries with your APK.

# 需要引入ffmpeg头文件,以这个配置的目录为基准
include_directories(${CMAKE_CURRENT_SOURCE_DIR}/../ffmpeg/include)
# 添加外部共享库搜索路径
LINK_DIRECTORIES(${CMAKE_CURRENT_SOURCE_DIR}/../ffmpeg/lib)

#add_library(avutil-54 SHARED IMPORTED)
#add_library(avcodec-56 SHARED IMPORTED)
#add_library(avformat-56 SHARED IMPORTED)
#add_library(swresample-1 SHARED IMPORTED)
#add_library(swscale-3 SHARED IMPORTED)
#add_library(avfilter-5 SHARED IMPORTED)
#add_library(postproc-53 SHARED IMPORTED)
#add_library(avdevice-56 SHARED IMPORTED)

add_library(ffmpeg SHARED IMPORTED)

#set_target_properties(avcodec-56 PROPERTIES IMPORTED_LOCATION
#        ${CMAKE_CURRENT_SOURCE_DIR}/../ffmpeg/lib/libavcodec-56.so)
#set_target_properties(avformat-56 PROPERTIES IMPORTED_LOCATION
#        ${CMAKE_CURRENT_SOURCE_DIR}/../ffmpeg/lib/libavformat-56.so)
#set_target_properties(avutil-54 PROPERTIES IMPORTED_LOCATION
#        ${CMAKE_CURRENT_SOURCE_DIR}/../ffmpeg/lib/libavutil-54.so)
#set_target_properties(swresample-1 PROPERTIES IMPORTED_LOCATION
#        ${CMAKE_CURRENT_SOURCE_DIR}/../ffmpeg/lib/libswresample-1.so)
#set_target_properties(swscale-3 PROPERTIES IMPORTED_LOCATION
#        ${CMAKE_CURRENT_SOURCE_DIR}/../ffmpeg/lib/libswscale-3.so)
#set_target_properties(avfilter-5 PROPERTIES IMPORTED_LOCATION
#        ${CMAKE_CURRENT_SOURCE_DIR}/../ffmpeg/lib/libavfilter-5.so)
#set_target_properties(postproc-53 PROPERTIES IMPORTED_LOCATION
#        ${CMAKE_CURRENT_SOURCE_DIR}/../ffmpeg/lib/libpostproc-53.so)
#set_target_properties(avdevice-56 PROPERTIES IMPORTED_LOCATION
#        ${CMAKE_CURRENT_SOURCE_DIR}/../ffmpeg/lib/libavdevice-56.so)

set_target_properties(ffmpeg PROPERTIES IMPORTED_LOCATION
        ${CMAKE_CURRENT_SOURCE_DIR}/../ffmpeg/lib/libffmpeg.so)

add_library( # Sets the name of the library.
        native-lib

        # Sets the library as a shared library.
        SHARED

        # Provides a relative path to your source file(s).
        native-lib.cpp)

# Searches for a specified prebuilt library and stores the path as a
# variable. Because CMake includes system libraries in the search path by
# default, you only need to specify the name of the public NDK library
# you want to add. CMake verifies that the library exists before
# completing its build.

find_library( # Sets the name of the path variable.
        log-lib

        # Specifies the name of the NDK library that
        # you want CMake to locate.
        log)

# Specifies libraries CMake should link to your target library. You
# can link multiple libraries, such as libraries you define in this
# build script, prebuilt third-party libraries, or system libraries.

target_link_libraries( # Specifies the target library.
        native-lib

#        avutil-54
#        avformat-56
#        avcodec-56
#        swresample-1
#        swscale-3
#        avdevice-56
#        postproc-53
#        avfilter-5

        ffmpeg

        # Links the target library to the log library
        # included in the NDK.
        ${log-lib}
        z)